<template>
    <div>
        <!-- 面包屑导航区域 -->
        <el-breadcrumb separator-class="el-icon-arrow-right">
        <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
        <el-breadcrumb-item>用户管理</el-breadcrumb-item>
        <el-breadcrumb-item>用户列表</el-breadcrumb-item>
        </el-breadcrumb>

        <!-- 卡片视图区域 -->
        <el-card>
            <el-row :gutter="20">
                <el-col :span="8">
                <el-input placeholder="请输入内容"
                v-model="queryInfo.query" clearable
                @clear="getGoodsList">
                <el-button slot="append" icon="el-icon-search"
                @click="getGoodsList"></el-button>
                </el-input>
                </el-col>
                <el-col :span="4">
                    <el-button type="primary" @click="goAddpage">添加商品</el-button>
                </el-col>
            </el-row>

            <!-- table表格区域 -->
            <el-table :data="goodslist" border stripe>
            <el-table-column type="index">
            </el-table-column>
            <el-table-column label="商品名称" 
            prop="goods_name">
            </el-table-column>
            <el-table-column label="商品价格(元)" 
            prop="goods_price" width="95px">
            </el-table-column>
            <el-table-column label="商品重量" 
            prop="goods_weight" width="70px">
            </el-table-column>
            <el-table-column label="创建时间" 
            prop="add_time" width="140px"> 
            <template slot-scope="scope">
                {{scope.row.add_time | dateFormat}}
            </template>
            </el-table-column>
            <el-table-column label="操作" width="130px">
                <template slot-scope="scope">
                    <el-button type="primary" 
                    icon="el-icon-edit" size="mini"></el-button>
                    <el-button type="danger" 
                    icon="el-icon-delete" 
                    size="mini" @click="removeById(scope.row.goods_id)"></el-button>
                </template>
            </el-table-column>
            </el-table>

            <!-- 分页区域 -->
            <el-pagination
                @size-change="handleSizeChange"
                @current-change="handleCurrentChange"
                :current-page="queryInfo.pagenum"
                :page-sizes="[5, 10, 15, 20]"
                :page-size="queryInfo.pagesize"
                layout="total, sizes, prev, pager, next, jumper"
                :total="total" background>
            </el-pagination>
        </el-card>
    </div>
</template>

<script>
    export default{
        data(){
            return{
                queryInfo:{
                    quert:'',
                    pagenum:1,
                    pagesize:10
                },
                //商品列表
                goodslist:[],
                //总数据条数
                total:0
            }
        },
        created(){
            this.getGoodsList()
        },
        methods:{
            //根据分页获取对应的商品列表
          async getGoodsList(){
            const{data:res} =  await this.$http.get
            ('goods',{params: this.queryInfo})

            if(res.meta.status !==200){
                return this.$message.error('获取商品列表失败')
            }

            this.$message.success('获取商品列表成功')
            console.log(res.data)
            this.goodslist = res.data.goods
            this.total = res.data.total
            },
            handleSizeChange(newSize){
                this.queryInfo.pagesize = newSize
                this.getGoodsList()
            },
            handleCurrentChange(newPage){
                this.queryInfo.pagenum = newPage
                this.getGoodsList()
            },
           async removeById(id){
              const confirmResult = await 
              this.$confirm('此操作将永久删除该商品, 是否继续?', '提示', {
                confirmButtonText: '确定',
                cancelButtonText: '取消',
                type: 'warning'
        }).catch(err => err)
        if(confirmResult !== 'confirm'){
            return this.$message.info('已经取消删除')
        }

          const {data:res} =  await this.$http.delete(`goods/${id}`)

            if(res.meta.status !== 200){
                return this.$message.error('删除失败')
            }

            this.$message.success('删除成功')
            this.getGoodsList()
            },
            goAddpage(){
                this.$router.push('/goods/add')
            }
        }
    }
</script>

<style lang="less" scoped>

</style>